Indication Icon Sharing Method, Indication Signal Control Method and Indication Signal Processing Device

13. The indication signal processing method of claim 7, wherein the first trigger action is moving the first control device from a third location to a fourth location.

15. The indication signal processing device of claim 14, further comprises a graphics circuit coupled to the processing circuit, wherein the processing circuit controls the graphics circuit to generate the first indication icon when the processing circuit determines the first control device performs the first trigger action, and controls the graphics circuit to generate the first indication icon at different locations of the first screen corresponding to displacement of the first control device.